KIMAX-35 bottles are designed from the requirements for milk dilution bottles given in the "Standard Methods for the Examination of Dairy Products", published by the American Public Health Association. Bottles have a square cross section and a smooth marking spot. Supplied with a black phenolic screw cap not attached. Cap has a cemented in rubber liner and is suitable for autoclaving. Bottle may be autoclaved to 121°C without preconditioning.